rename choke -> clip

repl/src/prebake.mjs

@@ -47,7 +47,7 @@ const maxPan = toMidi('C8');
 const panwidth = (pan, width) => pan * width + (1 - width) / 2;
 
 Pattern.prototype.piano = function () {
-  return this.choke(1)
+  return this.clip(1)
     .s('piano')
     .fmap((value) => {
       // pan by pitch

repl/src/tunes.mjs

@@ -1015,7 +1015,7 @@ x=>x.add(7).color('steelblue')
 .cutoff(sine.slow(7).range(200,4000))
 .resonance(10)
 //.hcutoff(400)
-.choke(1)
+.clip(1)
 .stack(s("bd:1*2,~ sd:0,[~ hh:0]*2"))
 .out()
 .pianoroll({vertical:1})`;